In this edition of the On The Rox podcast, Denver Post sportswriters Kyle Newman and Patrick Saunders break down an array of topics as the Rockies embark on a road trip to Arizona and San Francisco. What's behind German Marquez's early struggles this year, and how can the right-hander turn it around? What are keys to success against the Diamondbacks and Giants over the next six games? When will Kris Bryant come off the injured list from his back injury? Those questions are addressed and more.